html {
    touch-action: none;
    content-zooming: none;
}

body {
    position: absolute;
    margin: 0;
    padding: 0;
    background: #333;
    width: 100%;
    height: 100%;
}

#screen {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    cursor: pointer;
    background: #000;
    user-select: none;
    overflow: hidden;
}

#scene {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    transform: translateZ(1000px);
    -webkit-transform: translateZ(1000px);
}

#scene img {
    position: absolute;
    visibility: hidden;
    margin: -300px -500px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

#scene .f {
    margin: -500px -500px;
}

#scene .duoshuo {
    width: 500px;
    height: 400px;
    margin: -200px -250px;
    overflow-y: scroll;
    background: rgba(0,0,0,0.6);
    padding: 15px;
    border-radius: 10px;
}


